<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>信息展示</title>
    <style>
        #div1{
            float: left;
            background-color: burlywood;
            width: 100px;
            height: 500px;
        }
        #but1{
            margin: 10px;
        }
        #but2{
            margin: 10px;
        }
        #but3{
            margin: 10px;
        }
        #but4{
            margin: 10px;
        }
        #div2{
            background-color: aquamarine;
            height: 100px;
            margin-left: 100px;
        }
        #div3{
            margin-left: 100px;
            height: 400px;
            background-color: beige;
        }
        #table1{
            margin-top: 30px;
            text-align: center;
        }
    </style>
</head>
<body>
    <div>
        <div id ="div1" align="center">
            <form action="./login.html">
                    <input type="button" id="but1" value="初级"><br>
                    <input type="button" id="but2" value="中级"><br>
                    <input type="button" id="but3" value="高级"><br>
                    <input type="submit" id="but4" value="退出"><br>
            </form>
        </div>
        <div id="div2">

        </div>
        <div id="div3" align="center">
            <table id="table1" border="1" cellspacing="0" width="400px" height="100px">
                <br/>
                <tr><th></th><th>姓名</th><th>项目</th><th>成绩</th><th>总分</th></tr>
                <tr><td>1</td><td>小王</td><td>单选</td><td>10</td><td rowspan="2">30</td></tr>
                <tr><td>2</td><td>小王</td><td>多选</td><td>20</td></tr>
            </table>
        </div>
    </div>
</body>
</html>